Chemistry The gas used for artificial ripening of green fruit is acetylene ethylene ethane carbon dioxide acetylene ethylene ethane carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Lignite Anthracite Coke Bituminous Lignite Anthracite Coke Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hamburger effect is otherwise known as– Anaerobic metabolism Sodium pump Respiratory product Chloride shift Anaerobic metabolism Sodium pump Respiratory product Chloride shift ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? White phosphorus Violet phosphorus Black phosphorus Red phosphorus White phosphorus Violet phosphorus Black phosphorus Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Sulphur Phosphorus Carbon Hydrogen Sulphur Phosphorus Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
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